CaratHunter
Plans
Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6551742033

Certificate GIA 6551742033

Diamond specifications and retailer prices

From $3,118 SGD
As of November 4, 2026
Save $3,965 SGD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,083 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551742033. Listed at 24 retailers as of November 4, 2026, with prices from $3,118 to $7,083, a $3,965 spread on the same certified stone. NZ Jewellers lists it at $7,083. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551742033
Dimensions6.38 × 6.41 × 3.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.38 mm6.41 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551742033
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,083 SGD|Low: $2,932 SGD|High: $7,083 SGD|Avg: $4,442 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10$3,226 SGD
Retailer 3$3,299 SGD
Retailer 9$3,576 SGD
Retailer 4$3,683 SGD
Retailer 6$3,683 SGD
Retailer 11$3,826 SGD
Retailer 13$3,981 SGD
Retailer 12$3,999 SGD
Retailer 2$4,181 SGD
Retailer 5$4,250 SGD
Retailer 7$4,438 SGD
Retailer 14$5,865 SGD
Retailer 8$6,780 SGD
NZ Jewellers$7,083 SGD

38 data points across 14 retailers

24 retailers$3,118 SGD to $7,083 SGD

A
Cheapest Retailer
-
$3,118 SGD
A
Retailer 2
-
$3,182 SGD
View
A
Retailer 3
-
$3,204 SGD
View
A
Retailer 4
-
$3,226 SGD
View
Final sale: no returns
A
Retailer 5
-
$3,299 SGD
View
B+
Retailer 6
-
$3,576 SGD
View
Retailer 7
-
$3,683 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,683 SGD
View
B+
Retailer 9
-
$3,761 SGD
View
B+
Retailer 10
-
$3,826 SGD
View
B+
Retailer 11
-
$3,981 SGD
View
B+
Retailer 12
-
$3,999 SGD
View
B+
Retailer 13
-
$3,999 SGD
View
B+
Retailer 14
-
$4,181 SGD
View
B+
Retailer 15
-
$4,191 SGD
View
B+
Retailer 16
-
$4,191 SGD
View
B+
Retailer 17
-
$4,250 SGD
View
B+
Retailer 18
-
$4,332 SGD
View
B+
Retailer 19
-
$4,438 SGD
View
Retailer 20
-
$4,718 SGD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
$4,771 SGD
View
B
Retailer 22
-
$5,865 SGD
View
B
Retailer 23
-
$6,780 SGD
View
Most Expensive
B
NZ Jewellers
e25de996-62fb-4b0e-a36f-a7ab26d1ca9b · Nov 5
$7,083 SGD
$5,527 USD
View
23 more retailers have this diamond
Prices start from $3,118 SGDSave up to $3,965 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Round
$3,118 SGD